trace: add trace bufsize configuration parameter

[dpdk.git] / lib / librte_eal / common / eal_common_trace_utils.c

diff --git a/lib/librte_eal/common/eal_common_trace_utils.c b/lib/librte_eal/common/eal_common_trace_utils.c
index f5b8d4e..4fce605 100644 (file)
--- a/lib/librte_eal/common/eal_common_trace_utils.c
+++ b/lib/librte_eal/common/eal_common_trace_utils.c
@@ -193,6 +193,36 @@ trace_args_apply(const char *arg)
        return 0;
 }
 
+int
+eal_trace_bufsz_args_save(char const *optarg)
+{
+       struct trace *trace = trace_obj_get();
+       uint64_t bufsz;
+
+       if (optarg == NULL) {
+               trace_err("no optarg is passed");
+               return -EINVAL;
+       }
+
+       bufsz = rte_str_to_size(optarg);
+       if (bufsz == 0) {
+               trace_err("buffer size cannot be zero");
+               return -EINVAL;
+       }
+
+       trace->buff_len = bufsz;
+       return 0;
+}
+
+void
+trace_bufsz_args_apply(void)
+{
+       struct trace *trace = trace_obj_get();
+
+       if (trace->buff_len == 0)
+               trace->buff_len = 1024 * 1024; /* 1MB */
+}
+
 int
 eal_trace_dir_args_save(char const *optarg)
 {